28772172

素因数分解:

$2^2\times 3^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 92574720

約数和(自身を除く): 63802548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 27, 33, 36, 39, 44, 46, 52, 54, 66, 69, 78, 81, 92, 99, 108, 117, 132, 138, 143, 156, 162, 198, 207, 234, 243, 253, 276, 286, 297, 299, 324, 351, 396, 414, 429, 468, 486, 506, 572, 594, 598, 621, 702, 729, 759, 828, 858, 891, 897, 972, 1012, 1053, 1188, 1196, 1242, 1287, 1404, 1458, 1518, 1716, 1782, 1794, 1863, 2106, 2187, 2277, 2484, 2574, 2673, 2691, 2916, 3036, 3159, 3289, 3564, 3588, 3726, 3861, 4212, 4374, 4554, 5148, 5346, 5382, 5589, 6318, 6578, 6831, 7452, 7722, 8019, 8073, 8748, 9108, 9477, 9867, 10692, 10764, 11178, 11583, 12636, 13156, 13662, 15444, 16038, 16146, 16767, 18954, 19734, 20493, 22356, 23166, 24057, 24219, 27324, 28431, 29601, 32076, 32292, 33534, 34749, 37908, 39468, 40986, 46332, 48114, 48438, 50301, 56862, 59202, 61479, 67068, 69498, 72657, 81972, 88803, 96228, 96876, 100602, 104247, 113724, 118404, 122958, 138996, 145314, 177606, 184437, 201204, 208494, 217971, 245916, 266409, 290628, 312741, 355212, 368874, 416988, 435942, 532818, 553311, 625482, 653913, 737748, 799227, 871884, 1065636, 1106622, 1250964, 1307826, 1598454, 2213244, 2397681, 2615652, 3196908, 4795362, 7193043, 9590724, 14386086, 28772172]

約数ペア:

[(1, 28772172), (2, 14386086), (3, 9590724), (4, 7193043), (6, 4795362), (9, 3196908), (11, 2615652), (12, 2397681), (13, 2213244), (18, 1598454), (22, 1307826), (23, 1250964), (26, 1106622), (27, 1065636), (33, 871884), (36, 799227), (39, 737748), (44, 653913), (46, 625482), (52, 553311), (54, 532818), (66, 435942), (69, 416988), (78, 368874), (81, 355212), (92, 312741), (99, 290628), (108, 266409), (117, 245916), (132, 217971), (138, 208494), (143, 201204), (156, 184437), (162, 177606), (198, 145314), (207, 138996), (234, 122958), (243, 118404), (253, 113724), (276, 104247), (286, 100602), (297, 96876), (299, 96228), (324, 88803), (351, 81972), (396, 72657), (414, 69498), (429, 67068), (468, 61479), (486, 59202), (506, 56862), (572, 50301), (594, 48438), (598, 48114), (621, 46332), (702, 40986), (729, 39468), (759, 37908), (828, 34749), (858, 33534), (891, 32292), (897, 32076), (972, 29601), (1012, 28431), (1053, 27324), (1188, 24219), (1196, 24057), (1242, 23166), (1287, 22356), (1404, 20493), (1458, 19734), (1518, 18954), (1716, 16767), (1782, 16146), (1794, 16038), (1863, 15444), (2106, 13662), (2187, 13156), (2277, 12636), (2484, 11583), (2574, 11178), (2673, 10764), (2691, 10692), (2916, 9867), (3036, 9477), (3159, 9108), (3289, 8748), (3564, 8073), (3588, 8019), (3726, 7722), (3861, 7452), (4212, 6831), (4374, 6578), (4554, 6318), (5148, 5589), (5346, 5382)]